devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

Re-enable vectorization of LinSpaced, plus some cleaning

Browse Source
This commit is contained in:
Gael Guennebaud
2015-10-08 17:27:01 +02:00
parent f6f6f50272
commit dd934ad057
6 changed files with 12 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
Eigen/src/Core/functors/NullaryFunctors.h
View File

@@ -26,7 +26,6 @@ struct scalar_constant_op {
};
template<typename Scalar>
struct functor_traits<scalar_constant_op<Scalar> >
// FIXME replace this packet test by a safe one
{ enum { Cost = 1, PacketAccess = packet_traits<Scalar>::Vectorizable, IsRepeatable = true }; };
template<typename Scalar> struct scalar_identity_op {
@@ -135,14 +134,12 @@ template <typename Scalar, typename PacketType, bool RandomAccess> struct linspa
// This proxy object handles the actual required temporaries, the different
// implementations (random vs. sequential access) as well as the
// correct piping to size 2/4 packet operations.
// TODO find a way to make the packet type configurable
const linspaced_op_impl<Scalar,PacketType,RandomAccess> impl;
};
// all functors allow linear access, except scalar_identity_op. So we fix here a quick meta
// to indicate whether a functor allows linear access, just always answering 'yes' except for
// scalar_identity_op.
// FIXME move this to functor_traits adding a functor_default
template<typename Functor> struct functor_has_linear_access { enum { ret = 1 }; };
template<typename Scalar> struct functor_has_linear_access<scalar_identity_op<Scalar> > { enum { ret = 0 }; };